Extrusion



FIG. 1 is an end view of an extrusion showing my new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is an underneath plan view thereof.

The broken lines shown in FIGS. 2-6 are used to show the extrusion broken away to indicate indeterminate length. 

The ornamental design for an extrusion, as shown and described. 